"Mother Nature" (no, I'm not any kind of pagan, it's just a nice short description) is going to pound this international economy and civilization into the sand, possibly quite literally as the oceans rise and storms become more intense.
The uber-wealthy are going to end standing on the pavement pounding on their cellphones wondering why they can't buy fuel for their private, jets, cars, and yachts, just before their phones stop working, as their bodyguards desert them, and the pitchforks and torches crowd arrives to burn down their palaces.
The hard working invisible people living in poverty, will as a class survive, they usually do, but for no other reason than that there are so many of them.
That's generally how life on earth has always worked, for billions of years. Exponential population growth always ends badly, not only for the dead, but for the survivors too until something new comes along.
Our current economic system, as others have noted, "is dumber than a vat of yeast." Fossil fuels powered our population's exponential growth, and thus this economy is doomed.
Meanwhile, we are all free to walk our own paths, and always have been.
Some of paths individuals find themselves walking are difficult, and some are easy. But not everyone gets to leave this world peacefully, checking out in old age without pain surrounded by friends and family. Nor is that "ideal" end everyone chooses. Base jumpers in their wing suits, monster wave surfers, people who race big motorcycles along twisy mountain roads, people who challenge bloody "authority," they know there is some great risk they will end crushed on the rocks.
It's common human nature to reject the advice of others who tell us what we "should" or shouldn't do, especially when that advice comes wrapped in some sort of threat.
We should quit fossil fuels because of climate change!
We should quit nuclear power because of nuclear waste, Fukushima, and Chernobyl!
Oh bother... 
I hate automobiles with a passion, even electric automobiles. If somebody gave me a Tesla I'd toss it away like a hot potato. But I'm also a hypocrite who doesn't want to suffer the inconvenience of not owning a car in this automobile-centric society. My protest is to drive an $800 piece of shit car that I never wash, except for the windows, and drive as little as "possible." I cheer the floodwaters that recently took out the bridges on Interstate 10 here in California, disconnecting us in some small way from Arizona, and the only people I really feel sorry for are independent truckers who had to eat the costs of delays and detours.
Fuck you, automobile culture!
If I was emperor of this planet earth then the maximum speed limit for anyone in motorized wheeled vehicles, boats, and planes, all but for paramedics, would be 50kph.
But mine are shallow gestures.
My own philosophy is born of my inclinations as an amateur evolutionary biologist and paleontologist. I've got the college education documenting that interest, plenty of coursework and fieldwork, and have been a science teacher at various times.
In a million years none of this shit matters. Our civilization is an interesting layer of trash in the geologic record.
In ten thousand years nuclear waste doesn't matter.
In a hundred years or less, most of the work we busy humans are so concerned with today simply doesn't matter. I've installed tile and stonework (my brother is a tile contractor), built with exquisite craftsmanship to last centuries, that has been ripped out and replaced on the whim of trophy wives of wealthy men. (Don't accuse me of sexism... one bully who used to torment me almost daily in middle and high school ended up as the boy-toy of a wealthy older woman, and she very proudly introduced me to him, at which point both of us, as proud adult men, decided instantly to pretend we'd never met.)
I've also been a hermit, and I'm sort of living that way now. Our animal shelter rescue dogs probably think I'm one of them, useful in our pack for magically procuring food, opening doors, and filling their water dishes whenever the lids to the toilets are inexplicably closed. Dingo is fairly certain she ranks above me in the pack hierarchy. Mostly I'm okay with that.
My own philosophy has a lot of Ursula K. LeGuin in it.
Picking a short story and a novel, I'd say, The Ones Who Walk Away from Omelas and Always Coming Home.
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